Athlon 64 FX-51
Opteron 248
Athlon 64 FX-51 vs Opteron 248 Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Athlon 64 FX-51 vs Opteron 248 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Civilization VI
Athlon 64 FX-51 vs Opteron 248: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon 64 FX-51
2003Why buy it
- ✅+5.1% higher PassMark.
Trade-offs
- ❌Launch MSRP is still $733 MSRP, while Opteron 248 mostly shows up through inconsistent older-market listings.
Opteron 248
2003Why buy it
Trade-offs
- ❌Lower PassMark (585 vs 615).
Quick Answers
So, is Athlon 64 FX-51 better than Opteron 248?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon 64 FX-51 vs Opteron 248 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon 64 FX-51
The Athlon 64 FX-51 is manufactured by AMD. It was released in 2009-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 615 points. Launch price was $149.
Opteron 248
The Opteron 248 is manufactured by AMD. It was released in Novembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 585 points. Launch price was $12.
Processing Power
Both the Athlon 64 FX-51 and Opteron 248 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon 64 FX-51 versus 2.2 GHz on the Opteron 248 — identical boost frequencies. Both are built on the SledgeHammer (2003−2005) architecture using a 130 nm process. In PassMark, the Athlon 64 FX-51 scores 615 against the Opteron 248's 585 — a 5% lead for the Athlon 64 FX-51. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.2 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 1 MB |
| Process | 130 nm | 130 nm |
| Architecture | SledgeHammer (2003−2005) | SledgeHammer (2003−2005) |
| PassMark | 615+5% | 585 |
Memory & Platform
Both processors use the 940 socket with PCIe 1.1.
| Feature | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Socket | 940 | 940 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | Yes | — |
| PCIe Lanes | 0 | — |
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